Remove some unnecessary TextEditor accessor methods

spec/text-editor-registry-spec.js

@@ -377,18 +377,6 @@ describe('TextEditorRegistry', function () {
       expect(editor.hasAtomicSoftTabs()).toBe(true)
     })
 
-    it('enables or disables invisible based on the config', function () {
-      editor.update({showInvisibles: true})
-      expect(editor.doesShowInvisibles()).toBe(true)
-
-      atom.config.set('editor.showInvisibles', false)
-      registry.maintainConfig(editor)
-      expect(editor.doesShowInvisibles()).toBe(false)
-
-      atom.config.set('editor.showInvisibles', true)
-      expect(editor.doesShowInvisibles()).toBe(true)
-    })
-
     it('sets the invisibles based on the config', function () {
       const invisibles1 = {'tab': 'a', 'cr': false, eol: false, space: false}
       const invisibles2 = {'tab': 'b', 'cr': false, eol: false, space: false}
@@ -406,6 +394,9 @@ describe('TextEditorRegistry', function () {
 
       atom.config.set('editor.invisibles', invisibles1)
       expect(editor.getInvisibles()).toEqual(invisibles1)
+
+      atom.config.set('editor.showInvisibles', false)
+      expect(editor.getInvisibles()).toEqual({})
     })
 
     it('enables or disables the indent guide based on the config', function () {
@@ -445,15 +436,22 @@ describe('TextEditorRegistry', function () {
     })
 
     it('enables or disables preferred line length-based soft wrap based on the config', function () {
-      editor.update({softWrapAtPreferredLineLength: true})
-      expect(editor.doesSoftWrapAtPreferredLineLength()).toBe(true)
+      editor.update({
+        softWrapped: true,
+        preferredLineLength: 80,
+        editorWidthInChars: 120,
+        softWrapAtPreferredLineLength: true,
+      })
 
+      expect(editor.getSoftWrapColumn()).toBe(80)
+
+      atom.config.set('editor.softWrap', true)
       atom.config.set('editor.softWrapAtPreferredLineLength', false)
       registry.maintainConfig(editor)
-      expect(editor.doesSoftWrapAtPreferredLineLength()).toBe(false)
+      expect(editor.getSoftWrapColumn()).toBe(120)
 
       atom.config.set('editor.softWrapAtPreferredLineLength', true)
-      expect(editor.doesSoftWrapAtPreferredLineLength()).toBe(true)
+      expect(editor.getSoftWrapColumn()).toBe(80)
     })
 
     it('sets the preferred line length based on the config', function () {

src/text-editor.coffee

@@ -847,8 +847,6 @@ class TextEditor extends Model
   Section: File Operations
   ###
 
-  setBackUpBeforeSaving: (@backUpBeforeSaving) ->
-
   doesBackUpBeforeSaving: -> @backUpBeforeSaving
 
   # Essential: Saves the editor's text buffer.
@@ -2839,9 +2837,6 @@ class TextEditor extends Model
   #   fallback to using the `editor.tabLength` config setting
   setTabLength: (tabLength) -> @update({tabLength})
 
-  # Returns a {Boolean} indicating whether atomic soft tabs are enabled for this editor.
-  doesShowInvisibles: -> @showInvisibles
-
   # Enable or disable invisible character substitution for this editor.
   #
   # * `showInvisibles` A {Boolean}
@@ -2921,8 +2916,6 @@ class TextEditor extends Model
 
   setSoftWrapAtPreferredLineLength: (softWrapAtPreferredLineLength) -> @update({softWrapAtPreferredLineLength})
 
-  doesSoftWrapAtPreferredLineLength: -> @softWrapAtPreferredLineLength
-
   setPreferredLineLength: (preferredLineLength) -> @update({preferredLineLength})
 
   getPreferredLineLength: -> @preferredLineLength
@@ -2934,7 +2927,6 @@ class TextEditor extends Model
 
   # Essential: Gets the column at which column will soft wrap
   getSoftWrapColumn: ->
-    scopeDescriptor = @getRootScopeDescriptor()
     if @isSoftWrapped()
       if @softWrapAtPreferredLineLength
         Math.min(@getEditorWidthInChars(), @preferredLineLength)